Senior Engineer - Cryptography
Hong Kong
Full time
Office
Compensation is not specified
Role
Security Engineer
Description
About Us
At OKX, we are passionate about the transformative power of technology. Established in 2017, OKX is a prominent global exchange for cryptocurrency spot and derivatives trading. We leverage blockchain technology to redefine the financial landscape by providing diverse and advanced products, solutions, and trading tools. With a trusted user base of over 20 million individuals across 180 regions, OKX aims to offer an inclusive platform that enables everyone to explore the world of crypto. In addition to our cutting-edge DeFi exchange, we also provide OKX Insights, a research division at the forefront of cryptocurrency industry trends. By offering a wide range of crypto services and products and a commitment to innovation, our vision is to create a world of financial access empowered by blockchain and decentralized finance.
We strongly believe in fostering the growth and development of our people. We uphold an engaging culture that values teamwork, embraces change, and promotes ethical conduct. With an emphasis on creating a friendly, rewarding, and diverse environment, we ensure that every individual feels respected, valued, and empowered to reach their potential. Regardless of your background, we are dedicated to bringing out the best in you.
The Opportunity
Responsibilities:
- Develop cryptographic libraries and MPC wallet applications.
- Contribute to the implementation of cryptography technology, specifically zero-knowledge proofs.
- Research web3 ecosystem technologies and write technical documentation.
- Conduct code audits for wallet signatures.
Qualifications:
- Master's degree or higher in cryptography, mathematics, computer science, network security, or related fields.
- Strong theoretical background in security, including proficiency in public key cryptography, symmetric and asymmetric cryptography principles, security protocol design, and blockchain and cryptography applications.
- Familiarity with cryptographic theories such as zero-knowledge proofs, secure multiparty computation (MPC), threshold signatures, and homomorphic encryption.
- Experience with basic cryptographic algorithms and relevant open-source libraries, ideally with applied research and development.
- Proficiency in programming languages such as Golang, Java, C/C++, Rust.
- Preferred publications at international cryptography conferences.
- Fluent written and spoken English skills.
Perks & Benefits:
- Competitive total compensation package.
- Comprehensive insurance coverage for employees and their dependents.
- Additional benefits to be discussed during the hiring process.
Skills Required
OKX
Website
www.okx.comCompany size
Not specified
Location
United States
Description
Not specified
Chi Ng.
Global Business Development Manager (KOL Partnerships) - LATAM
San Miguel, El Salvador +2
San Miguel, El Salvador +2
Full time
Remote
BingX is a leading global crypto exchange founded in 2018, serving over 20 million users with spot, futures, copy trading, and asset management services. We’re looking for a Business Development Manager to grow and manage KOLs, agents, and project partnerships, driving user acquisition and trading volume across global markets. Requirement: experience in crypto, influencer partnerships, and market development, with strong communication skills in English and Spanish. Note: Please include key achievements/past performance data in your resume (e.g., trading volume, regions managed, languages spoken, KOLs region). Apply here or check my profile for more information.
Payment in Crypto
Chi Ng.
Global Business Development Manager (KOL Partnerships) - MENA
Cairo, Egypt +5
Cairo, Egypt +5
Full time
Remote
BingX is a leading global crypto exchange founded in 2018, serving over 20 million users with spot, futures, copy trading, and asset management services. We’re looking for a Business Development Manager to grow and manage KOLs, agents, and project partnerships, driving user acquisition and trading volume across global markets. Requirement: experience in crypto, influencer partnerships, and market development, with strong communication skills in English and Arabic. Note: Please include key achievements/past performance data in your resume (e.g., trading volume, regions managed, languages spoken, KOLs region). Apply here or check my profile for more information.
Payment in Crypto
Lynqex Labs
Senior Software Engineer (Go)
California, USA
California, USA
Full time
Remote
We are looking for a talented Senior Software Engineer with expertise in Go programming language to join our team. The successful candidate will be responsible for developing cutting-edge blockchain and crypto solutions, specifically focusing on smart contract development.
Key Responsibilities:
- Design, develop, and maintain blockchain applications using Go language.
- Implement smart contracts and integrate with existing blockchain frameworks.
- Collaborate with cross-functional teams to ensure efficient development and integration of software solutions.
Required Skills:
- Proficiency in Golang programming language.
- Strong understanding of blockchain technology and its applications.
- Experience in smart contract development.
- Knowledge of cryptography and security principles in the context of blockchain.
- Familiarity with blockchain frameworks such as Ethereum, Hyperledger, or other decentralized networks.
If you are passionate about blockchain and crypto technology, and have the skills to contribute to innovative software solutions, we would love to hear from you. Join us in shaping the future of decentralized applications with your expertise as a Senior Software Engineer.
Key Responsibilities:
- Design, develop, and maintain blockchain applications using Go language.
- Implement smart contracts and integrate with existing blockchain frameworks.
- Collaborate with cross-functional teams to ensure efficient development and integration of software solutions.
Required Skills:
- Proficiency in Golang programming language.
- Strong understanding of blockchain technology and its applications.
- Experience in smart contract development.
- Knowledge of cryptography and security principles in the context of blockchain.
- Familiarity with blockchain frameworks such as Ethereum, Hyperledger, or other decentralized networks.
If you are passionate about blockchain and crypto technology, and have the skills to contribute to innovative software solutions, we would love to hear from you. Join us in shaping the future of decentralized applications with your expertise as a Senior Software Engineer.
Vitalik Buterin
Community Moderator
Full time
Remote
About Us
We are a boutique, Asia-based Web3 marketing agency working with early-stage and growth-stage crypto projects across DeFi, infrastructure, consumer apps, and gaming.
Our team has executed campaigns with leading L1/L2 ecosystems, DeFi protocols, and community-driven projects.
We focus on narrative design, community activation, cross-market growth, and delivering impactful results for clients in Asia and globally.
We are now expanding our BD and Community Ops teams.
The Role: Community Moderator (36k–90k)
We’re hiring a community moderator to support client communities across Telegram, Discord, and X.
This is a front-line, user-facing role requiring empathy, high engagement, and strong judgment.
Responsibilities
Moderate multiple client communities to ensure safety, clarity, and engagement.
Respond to user questions, coordinate AMA/announcement schedules, post updates.
Keep communities active during key moments: launches, airdrops, campaigns, content releases.
Identify community issues or risks early and escalate appropriately.
Summarize community sentiment and user feedback for internal strategy teams.
Maintain tone, credibility, and professionalism when interacting with users.
Requirements
Prior experience moderating Web3 communities or Web2 social groups.
Familiarity with crypto user behavior, culture, and community patterns.
Excellent written communication and quick response ability.
High reliability; able to cover activity across Asian time zones.
Familiarity with the Southeast Asia KOL landscape, with strong existing relationships preferred.
Bonus
Ability to create short-form content or memes.
Multilingual (EN + CN preferred).
Experience with community analytics tools.
We are a boutique, Asia-based Web3 marketing agency working with early-stage and growth-stage crypto projects across DeFi, infrastructure, consumer apps, and gaming.
Our team has executed campaigns with leading L1/L2 ecosystems, DeFi protocols, and community-driven projects.
We focus on narrative design, community activation, cross-market growth, and delivering impactful results for clients in Asia and globally.
We are now expanding our BD and Community Ops teams.
The Role: Community Moderator (36k–90k)
We’re hiring a community moderator to support client communities across Telegram, Discord, and X.
This is a front-line, user-facing role requiring empathy, high engagement, and strong judgment.
Responsibilities
Moderate multiple client communities to ensure safety, clarity, and engagement.
Respond to user questions, coordinate AMA/announcement schedules, post updates.
Keep communities active during key moments: launches, airdrops, campaigns, content releases.
Identify community issues or risks early and escalate appropriately.
Summarize community sentiment and user feedback for internal strategy teams.
Maintain tone, credibility, and professionalism when interacting with users.
Requirements
Prior experience moderating Web3 communities or Web2 social groups.
Familiarity with crypto user behavior, culture, and community patterns.
Excellent written communication and quick response ability.
High reliability; able to cover activity across Asian time zones.
Familiarity with the Southeast Asia KOL landscape, with strong existing relationships preferred.
Bonus
Ability to create short-form content or memes.
Multilingual (EN + CN preferred).
Experience with community analytics tools.
Payment in Crypto
Vitalik Buterin
Business Development Manager
Full time
Remote
About Us
We are a boutique, Asia-based Web3 marketing agency working with early-stage and growth-stage crypto projects across DeFi, infrastructure, consumer apps, and gaming.
Our team has executed campaigns with leading L1/L2 ecosystems, DeFi protocols, and community-driven projects.
We focus on narrative design, community activation, cross-market growth, and delivering impactful results for clients in Asia and globally.
We are now expanding our BD and Community Ops teams.
The Role : Business Development Manager (75k-150k)
We’re looking for an energetic, relationship-driven BD Manager to help us expand our client base across Asia, Europe, and emerging markets.
You will represent the agency, identify growth opportunities, and build long-term relationships with founders, marketing teams, and communities.
Responsibilities
Identify and reach out to potential clients across DeFi, L1/L2, GameFi, infrastructure, and consumer crypto.
Manage inbound leads and maintain ongoing partner relationships.
Develop proposals for marketing, community growth, content strategy, and campaign execution.
Attend virtual and in-person events; represent the agency in AMAs, panels, or client calls.
Create collaboration opportunities with ecosystems, media outlets, KOL networks, and community groups.
Work closely with internal teams (content, community, strategy) to align solutions with client needs.
Requirements
1–3 years of BD, partnerships, or client-facing experience (Web3 preferred).
Strong communication and negotiation skills.
Understanding of crypto communities, social platforms, and narrative-driven marketing.
Comfortable working in a fast-paced, global, remote environment.
English required; Asian language fluency is a strong plus.
Familiarity with Southeast Asia Web3 projects, with strong relationships with project teams preferred.
Bonus
Experience in a Web3 agency, marketing firm, or KOL network.
Existing network of founders, CMOs, or BD leads within crypto.
Familiarity with China/SEA/India/Korea/Japan market dynamics.
We are a boutique, Asia-based Web3 marketing agency working with early-stage and growth-stage crypto projects across DeFi, infrastructure, consumer apps, and gaming.
Our team has executed campaigns with leading L1/L2 ecosystems, DeFi protocols, and community-driven projects.
We focus on narrative design, community activation, cross-market growth, and delivering impactful results for clients in Asia and globally.
We are now expanding our BD and Community Ops teams.
The Role : Business Development Manager (75k-150k)
We’re looking for an energetic, relationship-driven BD Manager to help us expand our client base across Asia, Europe, and emerging markets.
You will represent the agency, identify growth opportunities, and build long-term relationships with founders, marketing teams, and communities.
Responsibilities
Identify and reach out to potential clients across DeFi, L1/L2, GameFi, infrastructure, and consumer crypto.
Manage inbound leads and maintain ongoing partner relationships.
Develop proposals for marketing, community growth, content strategy, and campaign execution.
Attend virtual and in-person events; represent the agency in AMAs, panels, or client calls.
Create collaboration opportunities with ecosystems, media outlets, KOL networks, and community groups.
Work closely with internal teams (content, community, strategy) to align solutions with client needs.
Requirements
1–3 years of BD, partnerships, or client-facing experience (Web3 preferred).
Strong communication and negotiation skills.
Understanding of crypto communities, social platforms, and narrative-driven marketing.
Comfortable working in a fast-paced, global, remote environment.
English required; Asian language fluency is a strong plus.
Familiarity with Southeast Asia Web3 projects, with strong relationships with project teams preferred.
Bonus
Experience in a Web3 agency, marketing firm, or KOL network.
Existing network of founders, CMOs, or BD leads within crypto.
Familiarity with China/SEA/India/Korea/Japan market dynamics.
Payment in Crypto